Control unit having a hand lever



FIG. 1 is front elevational view of a control unit having a hand lever showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an opposite side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The dashed lines shown in the views are for illustrative or disclosure purposes only, and form no part of the claimed design. 

The ornamental design for a control unit having a hand lever, as shown and described. 